The only thing that 'looks' a bit off on your latest drawing is the 'fattest' part of the lower leg (towards the bottom of the leg). As measured from the 'inside' of the leg, the 'fattest' part of the lower leg is 2.3 inches. Maybe the D6 radius needs to be adjusted some, possibly?

Again, if someone else has an LIA-100 on hand, they might can add some additional info. My scanner is down otherwise I'd do another tracing and scan that.

Thanks again,

Earl

oops just saw this bit...so you say it should be fatter? see the pic, it is about 1.8"